Method SetInstanceTransform

Source/Engine/Foliage/Foliage.cpp:755–785

}

void Foliage::SetInstanceTransform(int32 index, const Transform& value)
{
    auto& instance = Instances[index];
    auto type = &FoliageTypes[instance.Type];

    // Change transform
    instance.Transform = value;

    // Update bounds
    instance.Bounds = BoundingSphere::Empty;
    if (!type->IsReady())
        return;
    Vector3 corners[8];
    auto& meshes = type->Model->LODs[0].Meshes;
    const Transform transform = _transform.LocalToWorld(instance.Transform);
    for (int32 j = 0; j < meshes.Count(); j++)
    {
        meshes[j].GetBox().GetCorners(corners);

        for (int32 k = 0; k < 8; k++)
        {
            Vector3::Transform(corners[k], transform, corners[k]);
        }
        BoundingSphere meshBounds;
        BoundingSphere::FromPoints(corners, 8, meshBounds);
        ASSERT(meshBounds.Radius > ZeroTolerance);

        BoundingSphere::Merge(instance.Bounds, meshBounds, instance.Bounds);
    }
    instance.Bounds.Radius += ZeroTolerance;
}

void Foliage::OnFoliageTypeModelLoaded(int32 index)
{